620-A Floor Grinding & Polishing Machine
620-A is a grinding machine with great versatility, It acts great efforts on concrete、granite and marble.
The postposition grinder pressure adjustment device and convert speed control device can make this
machine works perfect in the process of floor grinding construction. Different work step uses different
pressure and speed, which not only decrease losses of abrasives, but also increase work efficiency. The rapid
exchange design of pads and diamonds make the selection of abrasive become much widely.